The single umbilical artery (SUA) is a congenital anomaly where the umbilical cord (UC) contains only one umbilical artery (UA) and one umbilical vein (UV). It occurs in approximately 0.5-5%… Click to show full abstract
The single umbilical artery (SUA) is a congenital anomaly where the umbilical cord (UC) contains only one umbilical artery (UA) and one umbilical vein (UV). It occurs in approximately 0.5-5% of all pregnancies.1-6 It can be diagnosed by prenatal ultrasonography (PUS) and can be associated with other fetal anomalies and poor obstetric outcomes.4 We report a case of a SUA associated with a preterm birth.
               
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